80812032 has 96 divisors (see below), whose sum is σ = 246355200. Its totient is φ = 23076864.

The previous prime is 80812013. The next prime is 80812051. The reversal of 80812032 is 23021808.

It is an interprime number because it is at equal distance from previous prime (80812013) and next prime (80812051).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 80811993 and 80812011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42069 + ... + 43947.

It is an arithmetic number, because the mean of its divisors is an integer number (2566200).

Almost surely, 2^80812032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80812032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123177600).

80812032 is an abundant number, since it is smaller than the sum of its proper divisors (165543168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80812032 is a wasteful number, since it uses less digits than its factorization.

80812032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80812032 is about 8989.5512680000. The cubic root of 80812032 is about 432.3399245000.

The spelling of 80812032 in words is "eighty million, eight hundred twelve thousand, thirty-two".